/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.hadoop.util;


public class NullResourceCalculatorPlugin extends ResourceCalculatorPlugin {

  public long getVirtualMemorySize() {
    return UNAVAILABLE;
  }

  public long getPhysicalMemorySize() {
    return UNAVAILABLE;
  }

  public long getAvailableVirtualMemorySize() {
    return UNAVAILABLE;
  }

  public long getAvailablePhysicalMemorySize() {
    return UNAVAILABLE;
  }

  public int getNumProcessors() {
    return UNAVAILABLE;
  }

  public long getCpuFrequency() {
    return UNAVAILABLE;
  }

  public long getCumulativeCpuTime() {
    return UNAVAILABLE;
  }

  public float getCpuUsage() {
    return UNAVAILABLE;
  }

  public ProcResourceValues getProcResourceValues() {
    return new ProcResourceValues(UNAVAILABLE, UNAVAILABLE, UNAVAILABLE);
  }
}
